/*
 * Copyright 2021 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "include/core/SkSamplingOptions.h"
#include "include/effects/SkImageFilters.h"
#include "modules/svg/include/SkSVGFeImage.h"
#include "modules/svg/include/SkSVGFilterContext.h"
#include "modules/svg/include/SkSVGImage.h"
#include "modules/svg/include/SkSVGRenderContext.h"
#include "modules/svg/include/SkSVGValue.h"

bool SkSVGFeImage::parseAndSetAttribute(const char* n, const char* v) {
    return INHERITED::parseAndSetAttribute(n, v) ||
           this->setHref(SkSVGAttributeParser::parse<SkSVGIRI>("xlink:href", n, v)) ||
           this->setPreserveAspectRatio(SkSVGAttributeParser::parse<SkSVGPreserveAspectRatio>(
                   "preserveAspectRatio", n, v));
}

sk_sp<SkImageFilter> SkSVGFeImage::onMakeImageFilter(const SkSVGRenderContext& ctx,
                                                     const SkSVGFilterContext& fctx) const {
    RENDER_UNIMPLEMENTED;
    return nullptr;
//     // Load image and map viewbox (image bounds) to viewport (filter effects subregion).
//     const SkRect viewport = this->resolveFilterSubregion(ctx, fctx);
//     const auto imgInfo =
//             SkSVGImage::LoadImage(ctx.resourceProvider(), fHref, viewport, fPreserveAspectRatio);
//     if (!imgInfo.fImage) {
//         return nullptr;
//     }
//
//     // Create the image filter mapped according to aspect ratio
//     const SkRect srcRect = SkRect::Make(imgInfo.fImage->bounds());
//     const SkRect& dstRect = imgInfo.fDst;
//     // TODO: image-rendering property
//     auto imgfilt = SkImageFilters::Image(imgInfo.fImage, srcRect, dstRect,
//                                          SkSamplingOptions(SkFilterMode::kLinear,
//                                                            SkMipmapMode::kNearest));
//
//     // Aspect ratio mapping may end up drawing content outside of the filter effects region,
//     // so perform an explicit crop.
//     return SkImageFilters::Merge(&imgfilt, 1, fctx.filterEffectsRegion());
}
